Datalogic DS4300 Manuel d'installation télécharger pdf (Page 44)

DATALOGIC DS4300

Reading Features -

3.3

3.2 DECODING CAPACITY IN LINEAR MODE

When in Linear Reading mode, the number of reads performed by the

DS4300 and therefore the decoding capacity, is influenced by the following

parameters:

•

number of scans per second

•

code motion speed

•

label dimensions

•

scan direction with respect to code motion

At least 5 scans during the code passage should be allowed to ensure a

successful read.

3.2.1 Step Ladder Mode

Code motion

moving at LS speed

Laser Beam

DS4300

Figure 3.5 - "Step Ladder" scanning mode

If scanning is perpendicular to the code motion direction (Figure 3.5 - "step

ladder" mode), the number of effective scans performed by the reader is

given by the following formula:

SN = [(LH/LS)

SS] - 2

These symbols signify:

SN = number of effective scans

LH = label height (in mm)

LS = label movement speed (in mm/s)

SS = number of scans per second

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Datalogic DS4300 Manuel d'installation Page 44